Slides in this set

Slide 1

Slide 2

08/13/2014 MicrobesMicrobes are micro organisms that can cause diseases. Theycan enter the body in a number of ways: They can be breathed in through the mouth or nose They can enter through cuts or ...or other bites in the skin natural openings...…read more

Slide 4

08/13/2014 FungiFungi can also cause unwanted conditions. These conditionscan be treated with anti-fungal medicine and antibiotics.Some examples (don't look if you're faint hearted!):…read more

Slide 5

08/13/2014Microbes: our defence against themOur bodies have five major defence mechanisms againstinvading microbes: The breathing organs produce The skin acts mucus to cover the as a barrier lining of these organs and trap theOur stomachs produce microbeshydrochloric acid Our blood containsIf our skin is cut white blood cellsplatelets seal thewound by clotting…read more

Slide 6

08/13/2014 Fighting diseaseIf microbes enter our body they need to beneutralised or killed. This is done byWHITE BLOOD CELLS:White blood cells do 3 things:1) They eat the microbe2) They produce antibodies to neutralise the microbe3) The produce antitoxins to neutralise the poisons produced by microbes…read more

Slides in this set

Slide 1

Slide 2

08/13/2014 MicrobesMicrobes are micro organisms that can cause diseases. Theycan enter the body in a number of ways: They can be breathed in through the mouth or nose They can enter through cuts or ...or other bites in the skin natural openings...…read more

Slide 4

08/13/2014 FungiFungi can also cause unwanted conditions. These conditionscan be treated with anti-fungal medicine and antibiotics.Some examples (don't look if you're faint hearted!):…read more

Slide 5

08/13/2014Microbes: our defence against themOur bodies have five major defence mechanisms againstinvading microbes: The breathing organs produce The skin acts mucus to cover the as a barrier lining of these organs and trap theOur stomachs produce microbeshydrochloric acid Our blood containsIf our skin is cut white blood cellsplatelets seal thewound by clotting…read more

Slide 6

08/13/2014 Fighting diseaseIf microbes enter our body they need to beneutralised or killed. This is done byWHITE BLOOD CELLS:White blood cells do 3 things:1) They eat the microbe2) They produce antibodies to neutralise the microbe3) The produce antitoxins to neutralise the poisons produced by microbes…read more